| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.pulsar.broker.stats; |
| |
| import static org.apache.bookkeeper.mledger.impl.ManagedLedgerMBeanImpl.ENTRY_LATENCY_BUCKETS_USEC; |
| import com.google.common.collect.Maps; |
| import java.util.Arrays; |
| import java.util.Map; |
| import org.apache.pulsar.common.stats.Metrics; |
| |
| public class NamespaceStats { |
| |
| public double msgRateIn; |
| public double msgThroughputIn; |
| public double msgRateOut; |
| public double msgThroughputOut; |
| public double storageSize; |
| public double msgBacklog; |
| public double msgReplBacklog; |
| public double maxMsgReplDelayInSeconds; |
| public int consumerCount; |
| public int producerCount; |
| public int replicatorCount; |
| public int subsCount; |
| public static final String BRK_ADD_ENTRY_LATENCY_PREFIX = "brk_AddEntryLatencyBuckets"; |
| public long[] addLatencyBucket = new long[ENTRY_LATENCY_BUCKETS_USEC.length + 1]; |
| public static final String[] ADD_LATENCY_BUCKET_KEYS = new String[ENTRY_LATENCY_BUCKETS_USEC.length + 1]; |
| private int ratePeriodInSeconds = 1; |
| |
| static { |
| // create static ref for add-latency-bucket keys to avoid new object allocation on every stats call. |
| for (int i = 0; i < ENTRY_LATENCY_BUCKETS_USEC.length + 1; i++) { |
| String key; |
| // example of key : "<metric_key>_0.0_0.5" |
| if (i == 0 && ENTRY_LATENCY_BUCKETS_USEC.length > 0) { |
| key = String.format("%s_0.0_%1.1f", |
| BRK_ADD_ENTRY_LATENCY_PREFIX, ENTRY_LATENCY_BUCKETS_USEC[i] / 1000.0); |
| } else if (i < ENTRY_LATENCY_BUCKETS_USEC.length) { |
| key = String.format("%s_%1.1f_%1.1f", |
| BRK_ADD_ENTRY_LATENCY_PREFIX, ENTRY_LATENCY_BUCKETS_USEC[i - 1] / 1000.0, |
| ENTRY_LATENCY_BUCKETS_USEC[i] / 1000.0); |
| } else { |
| key = String.format("%s_OVERFLOW", BRK_ADD_ENTRY_LATENCY_PREFIX); |
| } |
| ADD_LATENCY_BUCKET_KEYS[i] = key; |
| } |
| } |
| |
| public NamespaceStats(int ratePeriodInSeconds) { |
| this.ratePeriodInSeconds = Math.max(1, ratePeriodInSeconds); |
| reset(); |
| } |
| |
| public void reset() { |
| this.msgRateIn = 0; |
| this.msgThroughputIn = 0; |
| this.msgRateOut = 0; |
| this.msgThroughputOut = 0; |
| this.storageSize = 0; |
| this.msgBacklog = 0; |
| this.msgReplBacklog = 0; |
| this.maxMsgReplDelayInSeconds = 0; |
| this.consumerCount = 0; |
| this.producerCount = 0; |
| this.replicatorCount = 0; |
| this.subsCount = 0; |
| clear(addLatencyBucket); |
| } |
| |
| public Metrics add(String namespace) { |
| |
| Map<String, String> dimensionMap = Maps.newHashMap(); |
| dimensionMap.put("namespace", namespace); |
| Metrics dMetrics = Metrics.create(dimensionMap); |
| dMetrics.put("brk_in_rate", msgRateIn); |
| dMetrics.put("brk_in_tp_rate", msgThroughputIn); |
| dMetrics.put("brk_out_rate", msgRateOut); |
| dMetrics.put("brk_out_tp_rate", msgThroughputOut); |
| dMetrics.put("brk_storage_size", storageSize); |
| dMetrics.put("brk_no_of_producers", producerCount); |
| dMetrics.put("brk_no_of_subscriptions", subsCount); |
| dMetrics.put("brk_no_of_replicators", replicatorCount); |
| dMetrics.put("brk_no_of_consumers", consumerCount); |
| dMetrics.put("brk_msg_backlog", msgBacklog); |
| dMetrics.put("brk_replication_backlog", msgReplBacklog); |
| dMetrics.put("brk_max_replication_delay_second", maxMsgReplDelayInSeconds); |
| // add add-latency metrics |
| for (int i = 0; i < this.addLatencyBucket.length; i++) { |
| dMetrics.put(ADD_LATENCY_BUCKET_KEYS[i], this.addLatencyBucket[i] / ratePeriodInSeconds); |
| } |
| return dMetrics; |
| |
| } |
| |
| public static void add(long[] src, long[] dest) { |
| if (src != null && dest != null && src.length == dest.length) { |
| for (int i = 0; i < src.length; i++) { |
| dest[i] += src[i]; |
| } |
| } |
| } |
| |
| public static void clear(long[] list) { |
| if (list != null) { |
| Arrays.fill(list, 0); |
| } |
| } |
| |
| } |